diff --git a/Bootstrap_new/css/theme-modern.css b/Bootstrap_new/css/theme-modern.css
index 8a5e9ea1..cef65e52 100644
--- a/Bootstrap_new/css/theme-modern.css
+++ b/Bootstrap_new/css/theme-modern.css
@@ -573,25 +573,26 @@ h1, h2, h3, h4, h5, h6, .fw-bold, .fw-semibold {
 }
 
 /* Drawer Close Button */
+/* Close Button ERP Style */
 .btn-cacher-contexte {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  gap: 8px;
-  width: 100%;
-  padding: 12px;
-  background: var(--bg-sidebar);
-  color: white;
-  border: none;
-  cursor: pointer;
-  font-size: 0.8rem;
-  font-family: 'Syne', sans-serif;
-  font-weight: 600;
-  letter-spacing: 0.04em;
-  transition: background var(--transition-fast);
-  margin-bottom: 16px;
-  border-radius: 0;
+    width: 100%;
+    padding: 1rem;
+    background: var(--bg-surface-2);
+    color: var(--text-primary);
+    border: none;
+    border-bottom: 1px solid var(--border-light);
+    cursor: pointer;
+    font-size: 11px;
+    font-family: 'Syne', sans-serif;
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 10px;
 }
+
 .btn-cacher-contexte:hover { background: var(--color-primary-light); }
 
 /* Context Cards */